/*
 * graph2D
 * Copyright (c) 2011 Shun Moriya <shun@mnu.sakura.ne.jp>
 *
 * The MIT License
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#if !defined(___GRAPHC2D_TEXTURE_CONTAINER_H___)
#define ___GRAPHC2D_TEXTURE_CONTAINER_H___

#if !defined(___GRAPH2D_COMMON_H___)
#include "common.h"
#endif

#include <map>
#include <string>

namespace Graph2D
{
	class Texture;

	/*!
	 * @brief テクスチャコンテナクラス<br/>
	 * テクスチャを重複して持たないようにするユーティリティクラスです
	 */
	class TextureContainer
	{
		DISALLOW_COPY_AND_ASSIGN(TextureContainer);

	public:
		/*!
		 * @brief	TextureContainerインスタンスを取得
		 * @return	TextureContainerオブジェクト
		 */
		static TextureContainer& getInstance()
		{
			static TextureContainer instance;
			return instance;
		}

		/*!
		 * @brief テクスチャ(Texture)オブジェクトの作成
		 * @param[in]	filename	ファイル名
		 * @return		テクスチャ(Texture)オブジェクト
		 */
		Texture* load(const std::string& filename);

		/*!
		 * @brief テクスチャ(Texture)オブジェクトを解放
		 * @param[in]	テクスチャ(Texture)オブジェクト
		 */
		void unload(Texture* texture);

		//! @brief クリア
		void clear();

	private:
		//! @brief コンストラクタ
		TextureContainer();
		//! @brief デストラクタ
		virtual ~TextureContainer();

	private:
		std::map<std::string, Texture*> textures;	//<! @brief テクスチャコンテナ
	};
}

#endif
